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Finding the Fourth Proportional to 946, 1,305.58 and 596.62

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Solution

The fourth proportional to 946, 1,305.58 and 596.62 is: 823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946 : 1,305.58 = 596.62 : x
  2. Step 2: Convert to fraction form
    946/1,305.58 = 596.62/x
  3. Step 3: Cross multiply
    946x = 1,305.58 × 596.62
  4. Step 4: Simplify right side
    946x = 778,935.14
  5. Step 5: Solve for x
    x = 778,935.14/946
  6. Step 6: Final answer
    x = 823.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.